| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/resources/texture_mailbox.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/logging.h" |
| #include "cc/resources/shared_bitmap.h" |
| |
| namespace cc { |
| |
| TextureMailbox::TextureMailbox() : shared_bitmap_(NULL) { |
| } |
| |
| TextureMailbox::TextureMailbox(const gpu::MailboxHolder& mailbox_holder) |
| : mailbox_holder_(mailbox_holder), |
| shared_bitmap_(NULL), |
| is_overlay_candidate_(false), |
| secure_output_only_(false), |
| nearest_neighbor_(false) {} |
| |
| TextureMailbox::TextureMailbox(const gpu::Mailbox& mailbox, |
| const gpu::SyncToken& sync_token, |
| uint32_t target) |
| : mailbox_holder_(mailbox, sync_token, target), |
| shared_bitmap_(NULL), |
| is_overlay_candidate_(false), |
| secure_output_only_(false), |
| nearest_neighbor_(false) {} |
| |
| TextureMailbox::TextureMailbox( |
| const gpu::Mailbox& mailbox, |
| const gpu::SyncToken& sync_token, |
| uint32_t target, |
| const gfx::Size& size_in_pixels, |
| bool is_overlay_candidate, |
| bool secure_output_only) |
| : mailbox_holder_(mailbox, sync_token, target), |
| shared_bitmap_(nullptr), |
| size_in_pixels_(size_in_pixels), |
| is_overlay_candidate_(is_overlay_candidate), |
| secure_output_only_(secure_output_only), |
| nearest_neighbor_(false) { |
| DCHECK(!is_overlay_candidate || !size_in_pixels.IsEmpty()); |
| } |
| |
| TextureMailbox::TextureMailbox(SharedBitmap* shared_bitmap, |
| const gfx::Size& size_in_pixels) |
| : shared_bitmap_(shared_bitmap), |
| size_in_pixels_(size_in_pixels), |
| is_overlay_candidate_(false), |
| secure_output_only_(false), |
| nearest_neighbor_(false) { |
| // If an embedder of cc gives an invalid TextureMailbox, we should crash |
| // here to identify the offender. |
| CHECK(SharedBitmap::VerifySizeInBytes(size_in_pixels_)); |
| } |
| |
| TextureMailbox::~TextureMailbox() {} |
| |
| bool TextureMailbox::Equals(const TextureMailbox& other) const { |
| if (other.IsTexture()) { |
| return IsTexture() && !memcmp(mailbox_holder_.mailbox.name, |
| other.mailbox_holder_.mailbox.name, |
| sizeof(mailbox_holder_.mailbox.name)); |
| } else if (other.IsSharedMemory()) { |
| return IsSharedMemory() && (shared_bitmap_ == other.shared_bitmap_); |
| } |
| |
| DCHECK(!other.IsValid()); |
| return !IsValid(); |
| } |
| |
| size_t TextureMailbox::SharedMemorySizeInBytes() const { |
| // UncheckedSizeInBytes is okay because we VerifySizeInBytes in the |
| // constructor and the field is immutable. |
| return SharedBitmap::UncheckedSizeInBytes(size_in_pixels_); |
| } |
| |
| } // namespace cc |